Wu, A Y <br/><br/>
Threshold selection using quadtrees.  [electronic resource] 

 -  IEEE transactions on pattern analysis and machine intelligence  Jan 1982 
 - 90-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0162-8828 
<br/><br/><label>Standard No.: </label>10.1109/tpami.1982.4767203  doi